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经营范围
发明名称
Method for extracting bottom deposits and conveying thereof to dry and a complex for carring said method into effect.
摘要
申请公布号
EG23240(A)
申请公布日期
2004.09.29
申请号
EG20010001258
申请日期
2001.11.26
申请人
DEMENTJEV VLADIMIR
发明人
DEMENTJEV VLADIMIR
分类号
E21C45/00;(IPC1-7):E21C45/00
主分类号
E21C45/00
代理机构
代理人
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地址
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